Newcastleton weather
The Newcastleton weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Newcastleton, Scottish Borders, Scotland in 2026/2027.
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Newcastleton weather averages
Check the Newcastleton weather averages for each month of the year including maximum daytime and minimum night-time temperatures, monthly rainfall, number of days with rain and average daily hours of sunshine for Newcastleton, Scottish Borders, Scotland.
Newcastleton weather by month
Check the weather for Newcastleton, Scottish Borders, Scotland for a particular month by selecting from the list below. This gives the best indication of what to expect from the weather months in advance.
Newcastleton weather in January
The average maximum daytime temperature in Newcastleton in January is a cold 5°C (41°F), while the average minimum night-time temperature is a very cold -1°C (30°F). You can expect on average 1 hours of sunshine a day in Newcastleton during January.
- 5°C max day temperature
5 - 1 hour of sunshine per day
1 - 21 days with some rainfall
21 - -1°C min night temperature
-1 - 136 mm of monthly rainfall
136
On average 136 mm (5.4 inches) of rain normally falls in Newcastleton during January with rain falling on 21 days of the month.
Newcastleton weather in February
The average maximum daytime temperature in Newcastleton in February is a cold 5°C (41°F), while the average minimum night-time temperature is a cold -0°C (32°F). You can expect on average 2 hours of sunshine a day in Newcastleton during February.
- 5°C max day temperature5
- 2 hours of sunshine per day
2 - 17 days with some rainfall
17 - -0°C min night temperature
-0 - 96 mm of monthly rainfall
96
On average 96 mm (3.8 inches) of rain normally falls in Newcastleton during February with rain falling on 17 days of the month.
Newcastleton weather in March
The average maximum daytime temperature in Newcastleton in March is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 1°C (34°F). You can expect on average 3 hours of sunshine a day in Newcastleton during March.
- 7°C max day temperature7
- 3 hours of sunshine per day
3 - 19 days with some rainfall19
- 1°C min night temperature1
- 112 mm of monthly rainfall
112
On average 112 mm (4.4 inches) of rain normally falls in Newcastleton during March with rain falling on 19 days of the month.
Newcastleton weather in April
The average maximum daytime temperature in Newcastleton in April is a cool 10°C (50°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 4 hours of sunshine a day in Newcastleton during April.
- 10°C max day temperature
10 - 4 hours of sunshine per day
4 - 16 days with some rainfall16
- 2°C min night temperature2
- 70 mm of monthly rainfall
70
On average 70 mm (2.8 inches) of rain normally falls in Newcastleton during April with rain falling on 16 days of the month.
Newcastleton weather in May
The average maximum daytime temperature in Newcastleton in May is a comfortable 14°C (57°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 5 hours of sunshine a day in Newcastleton during May.
- 14°C max day temperature
14 - 5 hours of sunshine per day
5 - 16 days with some rainfall16
- 4°C min night temperature4
- 75 mm of monthly rainfall75
On average 75 mm (3 inches) of rain normally falls in Newcastleton during May with rain falling on 16 days of the month.
Newcastleton weather in June
The average maximum daytime temperature in Newcastleton in June is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cold 7°C (45°F). You can expect on average 6 hours of sunshine a day in Newcastleton during June.
- 16°C max day temperature
16 - 6 hours of sunshine per day
6 - 16 days with some rainfall16
- 7°C min night temperature7
- 75 mm of monthly rainfall75
On average 75 mm (3 inches) of rain normally falls in Newcastleton during June with rain falling on 16 days of the month.
Newcastleton weather in July
The average maximum daytime temperature in Newcastleton in July is a comfortable 19°C (66°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 5 hours of sunshine a day in Newcastleton during July.
- 19°C max day temperature
19 - 5 hours of sunshine per day5
- 16 days with some rainfall16
- 9°C min night temperature9
- 85 mm of monthly rainfall85
On average 85 mm (3.3 inches) of rain normally falls in Newcastleton during July with rain falling on 16 days of the month.
Newcastleton weather in August
The average maximum daytime temperature in Newcastleton in August is a comfortable 18°C (64°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 5 hours of sunshine a day in Newcastleton during August.
- 18°C max day temperature18
- 5 hours of sunshine per day5
- 17 days with some rainfall17
- 9°C min night temperature9
- 91 mm of monthly rainfall91
On average 91 mm (3.6 inches) of rain normally falls in Newcastleton during August with rain falling on 17 days of the month.
Newcastleton weather in September
The average maximum daytime temperature in Newcastleton in September is a comfortable 15°C (59°F), while the average minimum night-time temperature is a cold 7°C (45°F). You can expect on average 4 hours of sunshine a day in Newcastleton during September.
- 15°C max day temperature15
- 4 hours of sunshine per day4
- 18 days with some rainfall18
- 7°C min night temperature7
- 103 mm of monthly rainfall103
On average 103 mm (4.1 inches) of rain normally falls in Newcastleton during September with rain falling on 18 days of the month.
Newcastleton weather in October
The average maximum daytime temperature in Newcastleton in October is a cool 12°C (54°F), while the average minimum night-time temperature is a cold 5°C (41°F). You can expect on average 3 hours of sunshine a day in Newcastleton during October.
- 12°C max day temperature12
- 3 hours of sunshine per day3
- 20 days with some rainfall20
- 5°C min night temperature5
- 127 mm of monthly rainfall127
On average 127 mm (5 inches) of rain normally falls in Newcastleton during October with rain falling on 20 days of the month.
Newcastleton weather in November
The average maximum daytime temperature in Newcastleton in November is a cool 8°C (46°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 2 hours of sunshine a day in Newcastleton during November.
- 8°C max day temperature8
- 2 hours of sunshine per day2
- 20 days with some rainfall20
- 2°C min night temperature2
- 124 mm of monthly rainfall124
On average 124 mm (4.9 inches) of rain normally falls in Newcastleton during November with rain falling on 20 days of the month.
Newcastleton weather in December
The average maximum daytime temperature in Newcastleton in December is a cold 5°C (41°F), while the average minimum night-time temperature is a cold 0°C (32°F). You can expect on average 1 hours of sunshine a day in Newcastleton during December.
- 5°C max day temperature5
- 1 hour of sunshine per day1
- 21 days with some rainfall21
- 0°C min night temperature0
- 138 mm of monthly rainfall138
On average 138 mm (5.4 inches) of rain normally falls in Newcastleton during December with rain falling on 21 days of the month.